Water Heater Repair

Professional Service for Every Major Water Heater Type, Brand, and Model

We provide expert water heater services throughout all of Northern Virginia, including Arlington, Alexandria, Fairfax, Ashburn, and Reston. From traditional gas and electric tanks to high-efficiency tankless systems, our team handles the complex venting, gas line, and electrical requirements necessary for a safe, code-compliant installation. We ensure your system is optimized for peak performance and lower monthly utility bills.

Signs You Should Contact a Water Heater Repair Expert

Like all major home appliances, your water heater will inevitably require repairs to remain operational. The following are just some of the signs to watch out for that will indicate the need for professional repair services:

If you’ve noticed the signs of needed water heater repair in your Lorton home, don’t hesitate to contact the professional plumbers at HVAC & Plumbing Unlimited. Call (571) 360-4520 to schedule emergency water heater repair in Lorton today!

Water Heater Systems We Service

Water heating technology has evolved, and our technicians stay ahead of the curve. Whether you have a legacy system or the latest high-efficiency model, we arrive with the specialized tools and parts required to fix it on the first visit.

Water Heater Repair FAQs

What are the most common signs that my water heater needs repair? While a total lack of hot water is the most obvious sign, there are earlier warning signs homeowners in Northern Virginia should watch for. Strange popping or rumbling noises often indicate sediment buildup, while a rusty or brownish tint in your hot water can point to internal tank corrosion. You should also check for minor moisture around the base of the unit, which can signal a failing valve or a pinhole leak before it becomes a major flood in your home.

How much does a typical water heater repair cost in Northern Virginia? Repair costs vary depending on the specific component that has failed and the type of system you have. At HVAC & Plumbing Unlimited, we provide a comprehensive diagnostic to identify the root cause of the problem. Once the issue is identified, we provide a clear, fixed-price quote for the repair so you know the exact cost before any work begins. This ensures there are no hourly surprises or hidden fees for our neighbors across Fairfax, Loudoun, and Prince William Counties.

Does Northern Virginia’s water quality affect my water heater? Yes, many areas throughout Northern Virginia have moderately hard water. Over time, calcium and magnesium minerals settle at the bottom of your tank, creating a layer of scale. This scale acts as a barrier between the burner and the water, forcing your system to work harder and increasing your energy bills. We recommend a professional tank flush once a year to combat this mineral buildup and extend the life of your unit.

Should I repair my water heater or replace it? We generally follow a simple rule: if your water heater is nearing the end of its expected lifespan and the repair cost is significant compared to the price of a new unit, replacement is often the more cost-effective long-term investment. However, for relatively new systems, a precision repair is usually the best way to restore comfort quickly. Our technicians provide an honest assessment of both options during the service call to ensure you make the best choice for your home.

How long do water heaters typically last in our area? In our region, the average lifespan depends heavily on the type of system and how well it has been maintained. Traditional gas and electric tank models found in established Northern Virginia neighborhoods typically last between 8 and 12 years, while high-efficiency tankless systems found in newer developments can last 20 years or more. Regular maintenance, such as checking the anode rod, can help any system reach the upper end of these estimates.

Why is my water heater making a popping or banging noise? This is a very common issue in our area caused by steam bubbles escaping through a layer of sediment at the bottom of your tank. As the burner heats the bottom of the unit, it traps water underneath the mineral scale. When that water turns to steam, it “pops” through the sediment. This is a clear indicator that your system needs a professional flush to prevent the tank from overheating or cracking, which is a frequent service we provide throughout the Northern Virginia region.

Why does my hot water have a “rotten egg” smell? If you notice a sulfur or “rotten egg” odor only when running hot water, it usually indicates a reaction between bacteria in the tank and the system’s protective anode rod. This is a common issue in Northern Virginia homes where water may sit in the tank for periods of time. A professional inspection can determine if the anode rod needs to be replaced or if the tank requires a specialized chlorination treatment to eliminate the odor.

Why is my water pressure suddenly low when using hot water? Low hot water pressure is often caused by significant sediment buildup or a partially closed shut-off valve. In older homes throughout Alexandria and Arlington, it can also be a sign of internal pipe corrosion or a failing pressure regulator. Our technicians can pinpoint the exact blockage and restore your home’s water flow to its optimal level.

What should I do if I see water pooling around the base of my heater? Any standing water near your unit is a serious red flag that requires immediate attention. While it could be a simple fix like a loose connection or a faulty temperature and pressure (T&P) relief valve, it may also indicate that the inner tank has succumbed to corrosion. Because water damage can escalate quickly in finished basements, we recommend turning off the water supply and contacting our emergency repair team right away.

Why does it take so long for my water to get hot? If you’re waiting several minutes for hot water to reach your shower, it could be due to a broken dip tube inside the tank or a failing heating element in an electric model. For larger homes in areas like McLean or Great Falls, this may simply be due to the distance between the heater and the faucet. In those cases, we often recommend installing a specialized recirculating pump to provide near-instant hot water throughout the house.

Is it safe to perform my own water heater repairs? Due to the risks involving high-voltage electricity, natural gas lines, and extreme water pressure, we strongly advise against DIY repairs. Incorrectly handling a gas valve or failing to properly calibrate a pressure relief valve can lead to dangerous leaks or even tank failure. Our factory-trained technicians have the specialized tools and safety gear required to perform repairs that meet all local Northern Virginia building codes.

How can I tell if my water heater is gas or electric? This is a common question for new homeowners in the region. A gas water heater will have a pilot light window at the bottom and a metal vent pipe at the top to carry away exhaust. An electric water heater is completely sealed and will have a heavy-duty electrical cable running into the top or side of the unit. Regardless of the power source, our 26-truck fleet carries the specific components needed to service both types of systems on the same day.